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SleepDent

SleepDent
Joined May 2017
SleepDent
Joined May 2017

Well, you actually get into some philosophical and judgement issues when treating severe OSA with oral appliances. In my own practice, I have had some stunning successes with oral appliances when treating severe sleep apnea. On the other hand, I have also had some absolute failures. By absolute failures, I mean that the baseline AHI was, say 50 and the oral appliance reduced it to 49. You never know. There is less data on treating severe OSA with oral appliances than mild to moderate. Historically, the TAP appliances have been as good as any for treating severe OSA. They will get the AHI down below 5 about 30% of the time. They will get the AHI down below 10 with total abolition of symptoms about 50% of the time. And they will reduce the AHI at least 50% to less than 20 about 69% of the time. This is in the hands of a very skilled sleep dentist with excellent technique. These figures would not be replicated by Mr. Average Dentist using the TAP. And these figures are certainly not a joke. They really don't escalate any risks except for the patient to be overly complacent about his situation. Clearly, you would like the treatment to be good enough so that the patient is not in clear and present danger of getting a heart attack or a stroke. There is no total consensus on how low the AHI has to get to take heart attack and stroke off the table. I best guess is that a fair number of practitioners would say that below 20 could be that point. So, I would say that, if a severe OSA patient uses an OA gets that gets him down to an AHI of, say, 19, vs. a baseline of 58 and he is less symptomatic and in less danger of getting a stroke or heart attack, you have done him some good. Actually, I have seen some data for the O2Oasys appliance with special tongue buttons and a nasal dilator that suggest that it may do far better against severe OSA than any previous appliances, but the data is too preliminary to be sure. Arthur B. Luisi, Jr.D.M.D.

I am a dentist working in dental sleep medicine. Unfortunately, there are a few people capable of exerting tremendous clenching and grinding forces with their teeth. I have one patient in my practice like that who has, so far, been able to destroy every device that I have placed in her mouth in short order. However, there may be some hope for you. The Dynaflex is one of a group of dorsal fin design OSA appliances. When you say that you have repeatedly broken off the fins, this indicates to me that you may be a severe lateral or side to side grinder. Dorsal fin appliances can only allow a very limited degree of lateral movement and may not accommodate your habit. Two appliances that can accommodate side to side grinding are the DreamTap and the EMA appliance with the flexible white straps. There is one other appliance, the Luco Hybrid, that is very stoutly made and specifically designed to hold up to severe bruxing. It was originated in Canada and is in limited distribution in the USA. This would probably be your best bet if you could find a dentist who is actually aware of it. You may also need to reduce your overall clenching habit by wearing a daytime clenching suppression appliance like the N.T.I. and getting physical or massage therapy to reduce the level of tension in your head and neck muscles. Since I have not examined you, consider these suggestions as possible topics for discussion between you and you health care providers and not as unsolicited medical advice. Arthur B. Luisi, Jr., D.M.D., The Naples Center For Dental Sleep Medicine.